Eclipse 351W Centre Punch Set 4 Piece All Eclipse Punches are made from high-quality carbon steel. The point is hardened and tempered to withstand continuous use. All punches have well-cut knurling to provide a positive finger grip. Used to indent, mark, scribe lines and make indentations in workpieces prior to drilling. Punch point accurately ground to an angle of 90°. Contains: 351A - 3.2mm (1⁄8") x 100mm (4") 351B - 4mm (5⁄32") x 100mm (4") 351C - 4.8mm (3⁄16") x 100mm (4") 351D - 6.35mm (1⁄4") x 100mm (4") Specification: Weight: 0.2kg